Home / 2,490,220.77-3,436,749.12-1,457,666.39

Finding the Fourth Proportional to 2,490,220.77, 3,436,749.12 and 1,457,666.39

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Solution

The fourth proportional to 2,490,220.77, 3,436,749.12 and 1,457,666.39 is: 2,011,722.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490,220.77 : 3,436,749.12 = 1,457,666.39 : x
  2. Step 2: Convert to fraction form
    2,490,220.77/3,436,749.12 = 1,457,666.39/x
  3. Step 3: Cross multiply
    2,490,220.77x = 3,436,749.12 × 1,457,666.39
  4. Step 4: Simplify right side
    2,490,220.77x = 5,009,633,665,902.33
  5. Step 5: Solve for x
    x = 5,009,633,665,902.33/2,490,220.77
  6. Step 6: Final answer
    x = 2,011,722.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.